[ Present Perfect Tense ]
They have paid the bill.
The interrogative form of the sentence above is ….
A. Have they paid the bill?
B. Has they paid the bill?
C. Have paid they the bill?
D. Has paid they the bill?

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Relative Clauses and Past PerfectPresent ContinousPast Simple and Past ProgressiveModal Verb in Passive VoiceDegrees of ComparisonConjunctionRelative Pronouns and AdverbsTypes of PrepositionRelative & Interrogative PronounsGrammar for TOEFLOther quiz:
Modals "Should" › ViewCherly: I failed on math test. I am afraid to tell it to my mom. What should I do ?
Vira : You should tell the truth to your mom.
The sentence that vira give to the Cherly include expression of …
A. Regret
B. Obligation
C. Excpectation
D. Suggestion
Grammar › View
What’s the time?
A. It’s two o’ clock
B. It’s a quarter to eleven
Irregular Verb › ViewSomeone has stolen my____________ bicycle.
A. Stolen
B. Stole
C. Stelt
Grammar › View
……. do you visit Huong Pagoda? – Every year. On the 5th day of the first lunar month
A. How often
B. When
C. How long
D. What day
